src/Controller/UserLoginCOntroller下
package controller;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import entity.User;
import service.UserService;
import service.impl.UserServiceImpl;
public class UserLoginController extends HttpServlet {
/**
* 用户登录控制层
*/
private static final long serialVersionUID = 3895967245210592578L;
/**
* @see HttpServlet#doGet(HttpServletRequest request,HttpServletResponse
* response)
*/
protected void doGet(HttpServletRequest request,HttpServletResponse response) throws ServletException,IOException{
doPost(request, response);
}
/**
* @see HttpServlet#doGPost(HttpServletRequest request,HttpServletResponse
* response)
*/
protected void doPost(HttpServletRequest request,HttpServletResponse response) throws ServletException,IOException{
String halfgod=getInitParameter("halfgod");
UserService userService=new UserServiceImpl();
String username=request.getParameter("username");
String password=request.getParameter("password");
User user=new User(username,password);
User info=userService.getUser();
HttpSession session=request.getSession();
if(info==null) {
session.setAttribute("info", info);
response.sendRedirect("./info.jsp");
}else {
response.sendRedirect("./index.jsp");
}
}
}
项目下WEB-INF/web.xml
<servlet>
<servlet-name>login</servlet-name>
<servlet-class>controller.UserLoginController</servlet-class>
<init-param>
<param-name>jdmd</param-name>
<param-value>cmd</param-value>
</init-param>
</servlet>
<servlet-mapping>
<servlet-name>login</servlet-name>
<url-pattern>/login</url-pattern>
</servlet-mapping>
Servlet简单登录
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转载自blog.csdn.net/oLengYueHun/article/details/87937889
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